// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.10
description: >
    [[Delete]] (P)

    8. If trap is undefined, then Return target.[[Delete]](P).
flags: [noStrict]
features: [Proxy]
---*/

function Test() {
    var target = {
      attr: 1
    };
    var p = new Proxy(target, {});

    assert.sameValue(delete p.attr, true);
    assert.sameValue(delete p.notThere, true);
    assert.sameValue(
      Object.getOwnPropertyDescriptor(target, "attr"),
      undefined
    );

    Object.defineProperty(target, "attr", {
      configurable: false,
      enumerable: true,
      value: 1
    });

    assert.sameValue(delete p.attr, false);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
